#!./perl
# Tests 53 onwards are intentionally not all-warnings-clean
chdir 't' if -d 't';
require './test.pl';
use strict;
plan(tests => 79);
foreach(['0b1_0101', 0b101_01],
        ['0b10_101', 0_2_5],
        ['0b101_01', 2_1],
        ['0b1010_1', 0x1_5],
        ['b1_0101', 0b10101],
        ['b10_101', 025],
        ['b101_01', 21],
        ['b1010_1', 0x15],
        ['01_234', 0b10_1001_1100],
        ['012_34', 01234],
        ['0123_4', 668],
        ['01234', 0x29c],
        ['0x1_234', 0b10010_00110100],
        ['0x12_34', 01_1064],
        ['0x123_4', 4660],
        ['0x1234', 0x12_34],
        ['x1_234', 0b100100011010_0],
        ['x12_34', 0_11064],
        ['x123_4', 4660],
        ['x1234', 0x_1234],
        ['0b1111_1111_1111_1111_1111_1111_1111_1111', 4294967295],
        ['037_777_777_777', 4294967295],
        ['0xffff_ffff', 4294967295],
        ['0b'.(  '0'x10).'1_0101', 0b101_01],
        ['0b'.( '0'x100).'1_0101', 0b101_01],
        ['0b'.('0'x1000).'1_0101', 0b101_01],
        # Things that perl 5.6.1 and 5.7.2 did wrong (plus some they got right)
        ["b00b0101", 0],
        ["bb0101", 0],
        ["0bb0101", 0],
        ["0x0x3A", 0],
        ["0xx3A", 0],
        ["x0x3A", 0],
        ["xx3A", 0],
        ["0x3A", 0x3A],
        ["x3A", 0x3A],
        ["0x0x4", 0],
        ["0xx4", 0],
        ["x0x4", 0],
        ["xx4", 0],
        ["0x4", 4],
        ["x4", 4],
        # Allow uppercase base markers (#76296)
        ["0XCAFE", 0xCAFE],
        ["XCAFE", 0xCAFE],
        ["0B101001", 0b101001],
        ["B101001", 0b101001],
        # Additional syntax for octals
        ["0o7_654_321", 2054353],
        ["O4567", 0o4_567],
       ) {
    my ($string, $value) = @$_;
    my $result = oct $string;
    my $desc = ($^O ne 'VMS' || length $string <= 256) && "oct \"$string\"";
    unless (cmp_ok($value, '==', $result, $desc)) {
        my $format = ($string =~ /([bx])/i) ? "0\L$1%\U$1": '0%o';
        diag(sprintf "oct '%s' gives '%s' ($format), not %s ($format)",
             $string, $result, $result, $value, $value);
    }
}
foreach(['01_234', 0b_1001000110100],
        ['012_34', 011064],
        ['0123_4', 4660],
        ['01234_', 0x1234],
        ['0x_1234', 0b1001000110100],
        ['0x1_234', 011064],
        ['0x12_34', 4660],
        ['0x1234_', 0x1234],
        ['x_1234', 0b1001000110100],
        ['x12_34', 011064],
        ['x123_4', 4660],
        ['x1234_', 0x1234],
        ['0xff_ff_ff_ff', 4294967295],
        [(  '0'x10).'01234', 0x1234],
        [( '0'x100).'01234', 0x1234],
        [('0'x1000).'01234', 0x1234],
        # Things that perl 5.6.1 and 5.7.2 did wrong (plus some they got right)
        ["0x3A", 0x3A],
        ["x3A", 0x3A],
        ["0x4",4],
        ["x4", 4],
        # Allow uppercase base markers (#76296)
        ["0XCAFE",   0xCAFE],
        ["XCAFE",    0xCAFE],
       ) {
    my ($string, $value) = @$_;
    my $result = hex $string;
    my $desc = ($^O ne 'VMS' || length $string <= 256) && "hex \"$string\"";
    unless (cmp_ok($value, '==', $result, $desc)) {
        diag(sprintf "hex '%s' gives '%s' (0x%X), not %s (0x%X)",
             $string, $result, $result, $value, $value);
    }
}
$_ = "\0_7_7";
is(length, 5,
    "length() correctly calculated string with nul character in octal");
is($_, "\0"."_"."7"."_"."7", "string concatenation with nul character");
chop, chop, chop, chop;
is($_, "\0", "repeated chop() eliminated all but nul character");
if ($::IS_EBCDIC) {
    is("\157_", "?_",
        "question mark is 111 in 1047, 037, && POSIX-BC");
}
else {
    is("\077_", "?_",
        "question mark is 077 in other than 1047, 037, && POSIX-BC");
}
$_ = "\x_7_7";
is(length, 5,
    "length() correctly calculated string with nul character in hex");
is($_, "\0"."_"."7"."_"."7", "string concatenation with nul character");
chop, chop, chop, chop;
is($_, "\0", "repeated chop() eliminated all but nul character");
if ($::IS_EBCDIC) {
    is("\x61_", "/_",
        "/ is 97 in 1047, 037, && POSIX-BC");
}
else {
    is("\x2F_", "/_",
        "/ is 79 in other than 1047, 037, && POSIX-BC");
}
eval '$a = oct "10\x{100}"';
like($@, qr/Wide character/, "wide character - oct");
eval '$a = hex "ab\x{100}"';
like($@, qr/Wide character/, "wide character - hex");